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From "Chengbing Liu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-2997) NM keeps sending finished containers to RM until app is finished
Date Tue, 30 Dec 2014 06:33:13 GMT
Chengbing Liu created YARN-2997:
-----------------------------------

             Summary: NM keeps sending finished containers to RM until app is finished
                 Key: YARN-2997
                 URL: https://issues.apache.org/jira/browse/YARN-2997
             Project: Hadoop YARN
          Issue Type: Bug
          Components: nodemanager
    Affects Versions: 2.6.0
            Reporter: Chengbing Liu


We have seen in RM log a lot of
{quote}
INFO org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler: Null container
completed...
{quote}

It is caused by NM sending completed containers repeatedly until the app is finished. On the
RM side, the container is already released, hence {quote}getRMContainer{quote} returns null.



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